TM-5-4310-389-14
Figure 4-60. Starter Drive Retainer Removal
CAUTION
Do not attempt to disassemble the starter drive, as it is a sealed unit. Do not clean the starter drive in
solvent, as internal lubricant would be dissolved.
16.
Remove the intermediate bearing plate from the armature.
17.
Clean, inspect, and repair components.
18.
Replace brushes if worn down to 0.610-inch in length (15.5 mm).
19.
Ensure that brushes do not bind in holders.
20.
Ensure that full brush surface rides on commutator with proper spring tension of 72 ounces (minimum) to 88
ounces (maximum).
21.
Locate short circuits in armature by rotating armature in growler with steel strip (such as
a hacksaw blade) held on armature. Steel strip will vibrate on area of short circuit.
22.
Check for brush dust or copper between commutator bars. Undercut insulation to eliminate shorts.
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